The nationwide disruption unfolded during routine maintenance aimed at transitioning telecommunications lines from legacy copper wiring to modern fiber optics. Over 20,000 flights were affected when newly placed routers bombarded other network hardware with over 1,000 connection attempts every four to five seconds. This surge crippled communications across 17 of the FAA's 22 en route air traffic facilities. Investigators led by Transportation Secretary Sean Duffy are actively probing whether the failure stemmed from installer mistakes or defective hardware.
Key points
Government contractor L3Harris has completed more than 70 percent of the planned nationwi…: Government contractor L3Harris has completed more than 70 percent of the planned nationwide conversion to fiber-optic systems.
The Federal Aviation Administration expends $1 billion annually to maintain aging copper-…: The Federal Aviation Administration expends $1 billion annually to maintain aging copper-wire networks that rely on floppy disks and 25-year-old routers.
Transportation Secretary Sean Duffy requested an additional $50 billion to modernize outd…: Transportation Secretary Sean Duffy requested an additional $50 billion to modernize outdated air traffic control equipment and airport operations.
Sources checked by our analysis pipeline: 1
The FAA spends US$1 billion annually to maintain its old copper wire system and is racing to replace it with more modern fiber-based communications.
WASHINGTON: A massive, nearly five-hour shutdown of the US aviation system that has disrupted more than 20,000 flights since Friday (Nov 13) may have been the fault of a single router installed by government contractor L3Harris, government officials said Saturday.
The incident is the latest painful example of the aging US air traffic control telecom system and the struggles to replace systems while keeping the old communications working.
The FAA's aging telecom systems in recent years have failed after errant fiber cuts, accidental deletion of files and a strong chemical smell caused by a melted component. The system will fail again until it is properly upgraded, officials said.
"This was an FAA system that didn't meet the moment," Transportation Secretary Sean Duffy said Saturday.
Duffy said on Friday L3Harris was conducting routine maintenance to switch telecommunication lines from old copper wire to fiber at at least one remote location. Officials told Reuters there may have been…
French authorities have accused a Revolutionary Guard cyber group called Shahid Kaveh of orchestrating the first major cyber sabotage on French territory. The incident disrupted food storage infrastructure nationwide by sharply altering store temperatures. In response, Tehran dismissed the claims as Israeli-manufactured disinformation designed to inflame European hostility against the Iranian state.
Investigators have traced the disruption across the American air travel network back to hardware implemented by a major defense contractor. The equipment failure paralyzed flight operations, highlighting severe systemic vulnerabilities in nationwide transit infrastructure. Scrutiny is now centering on third-party federal vendors and the resilience of critical aviation systems.
Federal flight operations experienced a nationwide halt after technical failures compromised critical transportation systems. Investigators traced the core disruption directly to networking hardware implemented by contractor L3Harris. The incident highlights operational vulnerabilities tied to external vendor equipment within essential national infrastructure.